Control unit



FIG. 1 is a perspective view of a control unit showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines showing the environmental structure of the control unit in the figures and the unshaded regions therein are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a control unit, as shown and described. 